The Oakton
Instruments DO 100 Meter ensureshigh accuracy with independent 100% and zero adjustment calibrations, and offset adjustment capabilities. It stores and recalls 16 dissolved oxygen readings with corresponding temperature-great
for field readings. This meter even displays electrode diagnostics to help determine when you need to service or replace the probe. The front keypad is water resistant. Includes a dissolvedoxygen/ temperature probe, electrolyte
solution, and batteries.